netdev - Re: [PATCH net] tcp: fix F-RTO may not work correctly when receiving DSACK

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Message-Id: <165116761177.10854.18409623100154256898.git-patchwork-notify@kernel.org>
Date:   Thu, 28 Apr 2022 17:40:11 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Pengcheng Yang <yangpc@...gsu.com>
Cc:     edumazet@...gle.com, ncardwell@...gle.com, ycheng@...gle.com,
        netdev@...r.kernel.org, davem@...emloft.net,
        yoshfuji@...ux-ipv6.org, dsahern@...nel.org, kuba@...nel.org,
        pabeni@...hat.com
Subject: Re: [PATCH net] tcp: fix F-RTO may not work correctly when receiving
 DSACK

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Tue, 26 Apr 2022 18:03:39 +0800 you wrote:
> Currently DSACK is regarded as a dupack, which may cause
> F-RTO to incorrectly enter "loss was real" when receiving
> DSACK.
> 
> Packetdrill to demonstrate:
> 
> // Enable F-RTO and TLP
>     0 `sysctl -q net.ipv4.tcp_frto=2`
>     0 `sysctl -q net.ipv4.tcp_early_retrans=3`
>     0 `sysctl -q net.ipv4.tcp_congestion_control=cubic`
> 
> [...]

Here is the summary with links:
  - [net] tcp: fix F-RTO may not work correctly when receiving DSACK
    https://git.kernel.org/netdev/net/c/d9157f6806d1

You are awesome, thank you!
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